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Jacking Pipes

RTjpipe - Jacking Pipes According to ATV-A 161 or DWA-A 161

New Features of RTjpipe

RTjpipe allows the calculation and dimensioning of jacking pipes taking into account rigid and flexible pipe types with a wide range of materials, cross-sections and dimensions.

  • Adaptation to the requirements of the new DWA-A 161 revision 06/2013
  • Design of new types of pipes made of fibre cement, concrete, cast iron and UPGF
  • Calculation for soft soils with cleat angles of 90° and 180° as well as for rock with cleat angles of 30°, 60°, 90° and 120°
  • Consideration of the transitions from soil to rock in pipe jacking
  • Consideration of soil parameters according to bulk density / consistency
  • Adjustment of load cases to ATV 127A as well as road traffic loads, e.g. according to load model LM1
  • General new approach for traffic loads in general
  • Impact coefficients and consideration of horizontal pressures
  • Check for minimum values of wall thickness/radius ratios depending on the pipe type
  • New minimum sectional force design as well as minimum steel requirement determination for reinforced concrete pipes
  • Reinforced concrete design according to DIN and EN as well as corresponding national annexes for DE, AT, SK/CZ and UK
  • Consideration of DIN EN 1916, DIN V1201 and 1202 also for concrete pipes incl. fatigue analysis and determination of bearing load
  • Verification of load classes for concrete and reinforced concrete pipes
  • Verification in longitudinal direction with consideration of the pipe connections with up to 3 pressure transmission rings per pipe joint
  • Strain analysis for UPGF pipes
  • Stability analysis for flexible pipes according to ATV A127
  • Jacking for straight or curved alignment incl. calculation of admissible axial forces for curved alignment depending on the axial elastic module of the pipe material, the pipe geometry, the pressure transmission rings and the alignment geometry
  • Completely updated printout of results for a comprehensible static analysis

 

Overview

  • Verifications for circular pipes
  • Fatigue analysis according to DIN for determined stresses in the cracked state at 2*10^6 load cycles
  • Determination of bulk loads and traffic loads for standard vehicles, rail traffic and aeroplanes
  • Consideration of soil stresses from dead weight and bulk loads depending on cover/pipe diameter
  • Classification according to EN and calculation of the required Load class LC
  • Verification of stresses and fatigue strength; in the case of flexible pipes, additional verification of elongation, short and long-term deformation and stability
  • Design for construction, service and constraint state for longitudinal and transverse stresses, fatigue, admissible pre-compression forces

 

Benefits

RTjpipe is a powerful analysis tool for pipe design and in particular provides the following advantages:

  • clear and simple working surface
  • completely graphic-oriented input with optimum control of all modifications
  • fast familiarisation with online support and manual
  • simple calculation and design of different pipe systems for the pipe types and support cases
  • clear result output with graphics

Alternatively, the input can also be made via a dialogue. A reciprocal transfer from dialogue input to graphic surface is possible without limitations.

RTjpipe SCREENSHOTS

Cover picture: Shutterstock_458573749

Contact sales structural engineering

Silke Bauer
+49 711 7873 157
structuralengineering@rib-software.com

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